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Fix symbol version test if dlvsym() is not available.

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If we have no dlvsym(), just run dlsym() test.
This commit is contained in:
Milan Broz
2021-08-21 13:33:13 +02:00
parent e008a88b98
commit 20b678c9f3
2 changed files with 52 additions and 24 deletions
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5
configure.ac
View File

@@ -101,6 +101,11 @@ AC_CHECK_LIB(uuid, uuid_clear, ,[AC_MSG_ERROR([You need the uuid library.])])
AC_SUBST(UUID_LIBS, $LIBS)
LIBS=$saved_LIBS
saved_LIBS=$LIBS
AC_SEARCH_LIBS([dlsym],[dl])
AC_CHECK_FUNCS([dlvsym])
LIBS=$saved_LIBS
AC_SEARCH_LIBS([clock_gettime],[rt posix4])
AC_CHECK_FUNCS([posix_memalign clock_gettime posix_fallocate explicit_bzero])

71
tests/all-symbols-test.c
View File

@@ -68,34 +68,57 @@ static void test_logf(int level, const char *format, ...)
#define log_std(x...) test_logf(LOG_NORMAL, x)
#define log_err(x...) test_logf(LOG_ERROR, x)
static int check_all_symbols(void *h)
static int check_dlvsym(void *h, const char *symbol, const char *version)
{
#ifdef HAVE_DLVSYM
void *sym;
char *err;
log_dbg("Checking %s@%s...", symbol, version);
sym = dlvsym(h, symbol, version);
UNUSED(sym);
err = dlerror();
if (err) {
log_err("%s.", err);
return 1;
}
log_dbg("OK\n");
#endif
return 0;
}
static int check_dlsym(void *h, const char *symbol)
{
void *sym;
char *err;
log_dbg("Checking %s...", symbol);
sym = dlsym(h, symbol);
UNUSED(sym);
err = dlerror();
if (err) {
log_err("%s", err);
return 1;
}
log_dbg("OK\n");
return 0;
}
static int check_all_symbols(void *h)
{
unsigned scount = 0;
#define CHECK_SYMBOL(SYM, VER) \
do { \
log_dbg("Checking " #SYM "@" #VER "..."); \
sym = dlvsym(h, #SYM, #VER); \
UNUSED(sym); \
err = dlerror(); \
\
if (err) { \
log_err("%s.", err); \
return 1; \
} \
\
log_dbg("OK\nChecking " #SYM "..."); \
sym = dlsym(h, #SYM); \
UNUSED(sym); \
err = dlerror(); \
if (err) { \
log_err("%s", err); \
return 1; \
} \
log_dbg("OK\n"); \
scount++; \
#define CHECK_SYMBOL(SYM, VER) \
do { \
if (check_dlvsym(h, #SYM, #VER)) \
return 1; \
if (check_dlsym(h, #SYM)) \
return 1; \
scount++; \
} while (0);
#include "test-symbols-list.h"
@@ -106,7 +129,7 @@ do { \
return 1;
}
log_std("Performed %u symbol checks in total\n.", scount);
log_std("Performed %u symbol checks in total.\n", scount);
return 0;
}